# TESL 모바일 vs hamahama

The clearest difference is review sentiment: hamahama at 85% against TESL 모바일's 17%. hamahama also leads on in-app purchases (none vs 10). TESL 모바일's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. TESL 모바일 sells 10 one-off in-app purchases. hamahama asks for nothing beyond the download.

TESL 모바일 ships an update every 5 weeks, hamahama every 3 weeks. The most recent releases landed on June 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | TESL 모바일 | hamahama |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | **85.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 5 MB | 32 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EMC교육평가원](https://appshunter.io/developer/1401171813) | [sangwon kwon](https://appshunter.io/developer/1797055084) |

## What reviewers say

### TESL 모바일

[App page](https://appshunter.io/ios/app/tesl/id1380583602)

This app supports English learning for students of all ages through vocabulary study, interactive quizzes, and speed games. It offers detailed performance analysis, progress tracking, and opportunities to earn scholarships through various challenges and national competitions.

**Highlights:** Vocabulary learning by grade level, Pronunciation analysis, Quiz games for review, Speed games (OX, spelling, listening), English skill level testing, National word king challenges, School English subject tests, National mobile English competitions

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TESL 재도전권 | $1.99 | one-time |
| SAT 영어시험 1회 사용권 | $1.99 | one-time |
| CAT 영어시험 1회 사용권 | $1.99 | one-time |
| TESL 재도전권 #4 | $3.99 | one-time |
| TESL 재도전권 #5 | $4.99 | one-time |
| SAT 영어시험 3회 사용권 | $4.99 | one-time |
| CAT 영어시험 3회 사용권 | $5.99 | one-time |
| TESL 영어시험 10회 사용권 | $6.99 | one-time |
| SAT 영어시험 5회 사용권 | $6.99 | one-time |
| CAT 영어시험 5회 사용권 | $8.99 | one-time |


### hamahama

[App page](https://appshunter.io/ios/app/hamahama-ai-lock-in-timer/id6753915085)

This app uses AI to accurately track your focused study time, automatically pausing when you're away from your desk. It generates study timelapses, provides detailed statistics, and allows you to compete with friends in study groups.

**Highlights:** AI-measured focused study time, Automatic timer pausing, Study timelapse generation, Detailed study statistics, Daily study goals, Friend group competition, Zoom study sessions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TESL 모바일 free?

TESL 모바일 is free to download, with in-app purchases available.

### Is hamahama free?

hamahama is free to download, with no in-app purchases.

### Do TESL 모바일 or hamahama have ads?

Neither TESL 모바일 nor hamahama shows ads.

### Which is updated more often, TESL 모바일 or hamahama?

TESL 모바일 ships an update every 5 weeks, and hamahama every 3 weeks. Most recently, TESL 모바일 was updated on June 1, 2026 and hamahama on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*